Delixi CDM3S molded case circuit breaker is a high-performance MCCB series for low-voltage power distribution, circuit protection and industrial electrical systems. It is designed to connect, carry and break current under normal conditions, and to protect lines and equipment when overload, short circuit or undervoltage faults occur.
1. Product overview
The CDM3S series covers a wide frame range from 63AF up to 1600AF and supports 2P, 3P and 4P configurations. It is widely used in electric power, construction, industrial distribution systems and OEM electrical equipment where reliable MCCB protection is required.
2. Main features
- Wide frame range: 63AF to 1600AF
- 2P, 3P and 4P versions available depending on frame
- Rated current range from 10A up to 1600A depending on frame
- Rated working voltage up to 690V
- Breaking capacity options: 25kA, 35kA, 50kA, 70kA and 75kA depending on model
- Protection against overload, short circuit and undervoltage (with accessories)
- Trip types include single magnetic and thermal magnetic versions
- Optional accessories include shunt release, undervoltage release, auxiliary contact, alarm contact and electric operating mechanism
- Supports fixed, plug-in and drawer type installation structures
- Suitable for power distribution and motor protection applications
3. Technical specifications
| Item | Specification |
|---|---|
| Series | CDM3S |
| Product type | Molded Case Circuit Breaker (MCCB) |
| Frame grades | 63AF, 125AF, 160AF, 250AF, 400AF, 630AF, 800AF, 1250AF, 1600AF |
| Rated current range | 10A to 1600A depending on frame |
| Poles | 2P / 3P / 4P |
| Rated working voltage Ue | 400/415V, 500V, 690V |
| Rated insulation voltage Ui | 800V / 1000V depending on frame |
| Impulse withstand voltage Uimp | 8kV / 12kV depending on frame |
| Breaking capacity | 25kA / 35kA / 50kA / 70kA / 75kA depending on model |
| Trip type | Single magnetic / Thermal magnetic |
| Standards | IEC 60947-1, IEC 60947-2, GB/T 14048.1, GB/T 14048.2 |
4. Typical applications
- Low-voltage power distribution systems
- Industrial electrical cabinets and switchboards
- Construction and commercial building power systems
- OEM control panels and machinery distribution units
- Motor protection and branch circuit protection
5. Available functions and accessories
According to the catalogue, the CDM3S series supports alarm contacts, auxiliary contacts, shunt release, undervoltage release, electric operating mechanism, manual operating handles and overload alarm without tripping function in selected models.
6. Why choose CDM3S
The CDM3S family provides a broad current range, multiple installation options and strong breaking capacity coverage for mainstream distribution applications. It is suitable for buyers looking for a dependable MCCB series for general power distribution and motor circuits.
7. Ordering support
If you need help selecting the correct frame grade, current rating, pole number, breaking capacity or accessory configuration, send us your target application and technical requirements. We can recommend the suitable CDM3S model for your project.
8. Original catalogue pages
The following original catalogue pages are attached below. Wide PDF spreads are split into left and right images for readability.
